emacs: wrap call-process-region

[notmuch] / emacs / notmuch-lib.el

diff --git a/emacs/notmuch-lib.el b/emacs/notmuch-lib.el
index c7bb2091f8edcc457ed2f36569ce9bf744c90253..207ea4c21749ba295fc87d033f0ad1845b25f0e6 100644 (file)
--- a/emacs/notmuch-lib.el
+++ b/emacs/notmuch-lib.el
@@ -860,6 +860,23 @@ You may need to restart Emacs or upgrade your notmuch package."))
       ;; `notmuch-logged-error' does not return.
       ))))
 
+(defmacro notmuch--apply-with-env (func &rest args)
+  `(let ((default-directory "~"))
+     (apply ,func ,@args)))
+
+(defun notmuch--process-lines (program &rest args)
+  "Wrap process-lines, binding DEFAULT-DIRECTORY to a safe
+default"
+  (notmuch--apply-with-env #'process-lines program args))
+
+(defun notmuch--call-process-region (start end program
+                                          &optional delete buffer display
+                                          &rest args)
+  "Wrap call-process-region, binding DEFAULT-DIRECTORY to a safe
+default"
+  (notmuch--apply-with-env
+   #'call-process-region start end program delete buffer display args))
+
 (defun notmuch-call-notmuch--helper (destination args)
   "Helper for synchronous notmuch invocation commands.
 
@@ -876,7 +893,7 @@ for `call-process'.  ARGS is as described for
     (if (null stdin-string)
        (apply #'call-process notmuch-command nil destination nil args)
       (insert stdin-string)
-      (apply #'call-process-region (point-min) (point-max)
+      (apply #'notmuch--call-process-region (point-min) (point-max)
             notmuch-command t destination nil args))))
 
 (defun notmuch-call-notmuch-process (&rest args)